<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>routh_t</title>
  </head>
  <body bgcolor="#FFFFFF">
    <center>Scilab Function</center>
    <div align="right">Last update : April 1993</div>
    <p>
      <b>routh_t</b> -  Routh's table</p>
    <h3>
      <font color="blue">Calling Sequence</font>
    </h3>
    <dl>
      <dd>
        <tt>r=routh_t(h [,k]).  </tt>
      </dd>
    </dl>
    <h3>
      <font color="blue">Parameters</font>
    </h3>
    <ul>
      <li>
        <tt>
          <b>h</b>
        </tt>: square rational matrix</li>
    </ul>
    <h3>
      <font color="blue">Description</font>
    </h3>
    <p>
      <tt>
        <b>r=routh_t(h,k)</b>
      </tt> computes Routh's table of denominator of the
    system described by transfer matrix SISO <tt>
        <b>h</b>
      </tt> with the
    feedback by the gain <tt>
        <b>k</b>
      </tt>.</p>
    <p>
    If  <tt>
        <b>k=poly(0,'k')</b>
      </tt> we will have a polynomial matrix with dummy variable 
    <tt>
        <b>k</b>
      </tt>, formal expression of the Routh table.</p>
  </body>
</html>
